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Broadband wireless access (BWA) technologies such as LMDS combine the cellular structure and concepts with point-to-point microwave link design. RF engineering of these technologies, including coverage, capacity, and interference studies, therefore, faces unique challenges and requires broad knowledge of both cellular and microwave technology. Use of highly directional user antennas calls for innovative frequency/polarization planning schemes that can accommodate both the reliability and capacity requirements of users of a BWA system. In this paper, several practical reuse schemes are being studied. It is being shown that by the use of careful but rather simple methods in frequency/polarization planning such as the scheme shown, high performance RF network planning for high-capacity BWA systems is quite feasible.